Make guix use alternative substitute if one is down

Make guix use alternative substitute if one is down

[Jacob Hrbek]

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kreyren@dreamon ~$ guix install gimpThe following package will be installed:
   gimp 2.10.32

substitute: updating substitutes from 'https://ci.guix.gnu.org'...   0.0%guix substitute: warning: ci.guix.gnu.org: connection failed: No route to host
substitute:
20,6 MB will be downloaded
substitute: updating substitutes from 'https://ci.guix.gnu.org'...   0.0%
substitute: updating substitutes from 'https://ci.guix.gnu.org'...   0.0%
guix substitute: error: connect*: No route to host
substitution of /gnu/store/c0wd1i6yknmiyp89626mfr9db74dayry-libmng-2.0.3 failed
guix install: error: some substitutes for the outputs of derivation `/gnu/store/pzd13q9y72402gvpmldj0pjq9frv8v1p-gimp-2.10.32.drv' failed (usually happens due to networking issues); try `--fallback' to build derivation from source
kreyren@dreamon ~$ guix install --substitute-urls=https://bordeaux.guix.gnu.org gimp
The following package will be installed:
   gimp 2.10.32

substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'... 100.0%
20,6 MB will be downloaded
 libmng-2.0.3  229KiB                                                          1.6MiB/s 00:00 [##################] 100.0%
 libmypaint-1.6.1  190KiB                                                      2.0MiB/s 00:00 [##################] 100.0%
 gimp-2.10.32  19.2MiB                                                         4.8MiB/s 00:04 [##################] 100.0%
The following derivation will be built:
  /gnu/store/xym56sbrcq1fz3j2vfxkirbfn7330rjg-profile.drv

applying 3 grafts for libheif-1.12.0 ...
applying 1 graft for libmypaint-1.6.1 ...
applying 20 grafts for gimp-2.10.32 ...
building CA certificate bundle...
listing Emacs sub-directories...
building fonts directory...
generating GdkPixbuf loaders cache...
generating GLib schema cache...
creating GTK+ icon theme cache...
building cache files for GTK+ input methods...
building directory of Info manuals...
building XDG desktop file cache...
building XDG MIME database...
building profile with 30 packages...
Proposing to implement a handling that if a substitute is down and the package is available on another substitute to use that substitute instead of fatal failure
-- Jacob "Kreyren" Hrbek

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Re: Make guix use alternative substitute if one is down

[Philip Beadling]

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substitute: updating substitutes from 'https://ci.guix.gnu.org'...   0.0%guix substitute: warning: ci.guix.gnu.org<http://ci.guix.gnu.org>: connection failed: No route to host
substitute:
20,6 MB will be downloaded
substitute: updating substitutes from 'https://ci.guix.gnu.org'...   0.0%
substitute: updating substitutes from 'https://ci.guix.gnu.org'...   0.0%
guix substitute: error: connect*: No route to host
substitution of /gnu/store/c0wd1i6yknmiyp89626mfr9db74dayry-libmng-2.0.3

I noticed ci.guix.gnu.org is down today as well.

Does anyone have an idea when it might be back online?


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Re: Make guix use alternative substitute if one is down

[zimoun]

Hi,

On Wed, 21 Sep 2022 at 13:09, Jacob Hrbek <kreyren@rixotstudio.cz> wrote:

> Proposing to implement a handling that if a substitute is down and the
> package is available on another substitute to use that substitute
> instead of fatal failure

That’s already the case.  Please give a look at
<https://guix.gnu.org/manual/devel/en/guix.html#Substitutes>.

Now the build farm bordeaux.guix.gnu.org is not authorized by default –
it could change soon – therefore you just need to authorize it; see

<https://guix.gnu.org/manual/devel/en/guix.html#Substitute-Server-Authorization>


Hope that helps,
simon

Re: Make guix use alternative substitute if one is down

[Ludovic Courtès]

Hi,

Philip Beadling <phil@beadling.co.uk> skribis:

> substitute: updating substitutes from 'https://ci.guix.gnu.org'...   0.0%guix substitute: warning: ci.guix.gnu.org<http://ci.guix.gnu.org>: connection failed: No route to host
> substitute:
> 20,6 MB will be downloaded
> substitute: updating substitutes from 'https://ci.guix.gnu.org'...   0.0%
> substitute: updating substitutes from 'https://ci.guix.gnu.org'...   0.0%
> guix substitute: error: connect*: No route to host
> substitution of /gnu/store/c0wd1i6yknmiyp89626mfr9db74dayry-libmng-2.0.3

The good news is that the ci.guix.gnu.org outage gave an incentive to
finally fix this bug:

  https://issues.guix.gnu.org/58017

Ludo’.

Re: Make guix use alternative substitute if one is down

[Philip Beadling]

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Excellent - thanks for letting us know Ludo', this is really useful.

________________________________
From: Ludovic Courtès <ludo@gnu.org>
Sent: Saturday, 1 October 2022, 18:55
To: Philip Beadling <phil@beadling.co.uk>
Cc: Jacob Hrbek <kreyren@rixotstudio.cz>; guix-devel@gnu.org <guix-devel@gnu.org>
Subject: Re: Make guix use alternative substitute if one is down

Hi,

Philip Beadling <phil@beadling.co.uk> skribis:

> substitute: updating substitutes from 'https://ci.guix.gnu.org'...   0.0%guix substitute: warning: ci.guix.gnu.org<http://ci.guix.gnu.org>: connection failed: No route to host
> substitute:
> 20,6 MB will be downloaded
> substitute: updating substitutes from 'https://ci.guix.gnu.org'...   0.0%
> substitute: updating substitutes from 'https://ci.guix.gnu.org'...   0.0%
> guix substitute: error: connect*: No route to host
> substitution of /gnu/store/c0wd1i6yknmiyp89626mfr9db74dayry-libmng-2.0.3

The good news is that the ci.guix.gnu.org outage gave an incentive to
finally fix this bug:

  https://issues.guix.gnu.org/58017

Ludo’.


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